Marinero de Agua Dulce

Marine science, biology of the seas, some dissident info and riot are here
Grampus griseus by Edward Drinker Cope (1876) proceedings of the Academy of Natural Science of Philadelphia (vol 28)
big size 

Grampus griseus by Edward Drinker Cope (1876) proceedings of the Academy of Natural Science of Philadelphia (vol 28)

big sizeĀ 

(Fuente: )